If you’re looking for a delicious twist on a classic favorite, this Low Carb Reuben Sandwich is just what you need! Packed with flavor and made with wholesome ingredients, it’s perfect for busy weeknights or cozy family gatherings. The buttery chaffles serve as the perfect low-carb alternative to bread, and the combination of corned beef and tangy sauerkraut will have your taste buds dancing with joy!
This recipe holds a special place in my heart because it’s not only satisfying but also incredibly easy to make. Plus, it’s a fantastic way to enjoy a beloved dish while sticking to your dietary goals. Let’s dive into why you’ll love this recipe even more!
Why You’ll Love This Recipe
- Quick and Easy: With only 20 minutes from start to finish, it’s perfect for those days when time is short.
- Flavorful Layers: The combination of savory corned beef, zesty sauerkraut, and creamy dressing makes each bite unforgettable.
- Family-Friendly: Everyone will enjoy these sandwiches, making mealtime fun for both kids and adults alike!
- Keto-Friendly: Enjoy the classic flavors without the carbs, making it great for those following a low-carb lifestyle.
- Make Ahead: Prepare the chaffles in advance and assemble them when ready to eat for an effortless meal.

Ingredients You’ll Need
Creating this Low Carb Reuben Sandwich requires just a handful of simple, wholesome ingredients that you might already have in your kitchen. Let’s gather everything we need to make this tasty treat!
For the Chaffles
- 1 cup Mozzarella Cheese (shredded)
- 2 Eggs
- 1/4 tsp Caraway Seeds
For the Filling
- 6 ounces Shaved Corned Beef Deli Meat
- 2/3 cup Sauerkraut (drained well)
- 2 slices Swiss Cheese
For the Dressing
- 1/4 cup Mayonnaise
- 1 tbsp Sugar-free Ketchup
- 1 tsp Horseradish
- 1/4 tsp Hot Sauce
- 1/4 tsp Worcestershire Sauce
Variations
One of the best things about this recipe is its flexibility! You can easily tweak it to suit your tastes or what you have on hand. Here are some fun variations:
- Swap the protein: Try turkey or chicken instead of corned beef for a lighter option.
- Add some crunch: Toss in some shredded lettuce or sliced pickles for extra texture and flavor.
- Spice it up: If you like heat, add some jalapeños or switch out the hot sauce for your favorite spicy condiment.
- Go vegetarian: Replace meat with grilled veggies or plant-based deli slices for a delicious vegetarian version.
How to Make Low Carb Reuben Sandwich
Step 1: Preheat Your Waffle Maker
Before we dive into mixing our batter, preheat your mini waffle maker. This step ensures that your chaffles turn out crispy on the outside and fluffy inside.
Step 2: Prepare the Chaffle Batter
In a mixing bowl, combine the mozzarella cheese, caraway seeds, and eggs. Whisk until everything is well combined. This mixture will create our tasty low-carb bread that holds all the delicious fillings together!
Step 3: Cook Your Chaffles
Now it’s time to cook! Place about ¼ of the batter into your preheated waffle maker. Cook until golden brown (about 3-5 minutes). Repeat this step until you’ve cooked four chaffles. They are light and slightly crispy—just what we want!
Step 4: Make the Dressing
In another bowl, whisk together mayonnaise, sugar-free ketchup, horseradish, hot sauce, and Worcestershire sauce. Mixing these ingredients creates a creamy dressing that adds so much flavor to our sandwich.
Step 5: Assemble Your Sandwich
Start with one chaffle as your base. Layer it with shaved corned beef followed by sauerkraut and Swiss cheese. Drizzle on a generous amount of dressing before topping with another chaffle. You can add more dressing on top if you’d like—it’s all about personal preference!
And there you have it! A delightful Low Carb Reuben Sandwich that’s sure to become a favorite at your table. Enjoy every scrumptious bite!
Pro Tips for Making Low Carb Reuben Sandwich
Creating the perfect low carb Reuben sandwich can be a delightful experience, and with a few pro tips, you’ll be well on your way to impressing your taste buds!
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Use Fresh Ingredients: Quality ingredients can make all the difference in flavor. Opt for freshly made sauerkraut and high-quality corned beef for a richer taste.
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Adjust Chaffle Thickness: Depending on your preference, adjust the batter amount in the waffle maker for thinner or thicker chaffles. Thicker chaffles can provide a more satisfying bite, while thinner ones might be crisper.
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Let Chaffles Cool Slightly: Allowing your chaffles to cool for just a minute will help them firm up, making them easier to handle when assembling your sandwich.
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Experiment with Sauces: Feel free to customize the sauce by adding your favorite spices or herbs. A bit of garlic powder or dill can elevate the flavor profile even further.
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Toast for Extra Crunch: If you like a crunchy texture, consider lightly toasting the assembled sandwich in a skillet before serving. This adds an inviting crispiness that contrasts beautifully with the fillings.
How to Serve Low Carb Reuben Sandwich
Serving your low carb Reuben sandwiches can be as enjoyable as making them! With a little creativity, you can create an inviting presentation that will wow your guests (or yourself!).
Garnishes
- Fresh Parsley: A sprinkle of fresh parsley not only adds color but also a hint of freshness that brightens the dish.
- Pickles: Serve with dill pickles on the side for an extra crunch and zing that complements the flavors of the sandwich.
Side Dishes
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Crispy Kale Chips: These are a deliciously healthy alternative to traditional potato chips. They offer a satisfying crunch and are easy to make by simply baking kale leaves with olive oil and seasoning.
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Zucchini Fries: Baked or air-fried zucchini fries are a fantastic low-carb side that pairs beautifully with the savory notes of the sandwich. Their slight sweetness balances out the richness of the Reuben.
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Cauliflower Salad: A refreshing cauliflower salad dressed in lemon vinaigrette adds brightness and crunch. It’s light yet satisfying, making it the perfect complement to your sandwich.
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Coleslaw: A simple coleslaw made with cabbage and carrots dressed in vinegar-based dressing provides a tangy contrast that enhances every bite of your Reuben.
Enjoy crafting these delicious low carb Reuben sandwiches, and remember – each bite is not just about flavor but also about the joy of sharing good food!

Make Ahead and Storage
This Low Carb Reuben Sandwich is a fantastic option for meal prep! Its components can be prepared in advance, making it easy to enjoy a delicious, satisfying lunch throughout the week.
Storing Leftovers
- Allow any leftovers to cool completely before storing.
- Place the chaffles and assembled sandwiches in an airtight container.
- Store in the refrigerator for up to 3 days.
Freezing
- You can freeze the chaffles separately or the entire sandwich.
- Wrap each chaffle tightly in plastic wrap and then place them in a freezer-safe bag.
- For entire sandwiches, wrap well in foil or plastic wrap and store in a freezer-safe container.
- Consume within 1-2 months for best quality.
Reheating
- To reheat chaffles, use a toaster or waffle maker until crispy again.
- For assembled sandwiches, microwave for 30 seconds to 1 minute, or reheat in an oven at 350°F (175°C) for about 10 minutes until warmed through.
FAQs
Here are some common questions about the Low Carb Reuben Sandwich that might help you out!
Can I use different cheese for my Low Carb Reuben Sandwich?
Absolutely! While Swiss cheese is traditional, feel free to substitute with provolone or cheddar for a twist on this classic flavor.
How do I make the Low Carb Reuben Sandwich gluten-free?
Using keto-friendly chaffles makes this recipe gluten-free. Just ensure all other ingredients, like the corned beef and sauerkraut, are free from gluten additives.
Can I add more vegetables to my Low Carb Reuben Sandwich?
Certainly! Adding slices of avocado or even some shredded carrots can enhance flavor and nutrition without adding too many carbs.
Final Thoughts
I hope you enjoy making this delightful Low Carb Reuben Sandwich as much as I do! It’s not only a healthier take on a classic but also so satisfying and rich in flavor. Feel free to get creative with your toppings and enjoy every bite. Happy cooking!
Low Carb Reuben Sandwich
If you’re in the mood for a classic sandwich with a tasty twist, look no further than this Low Carb Reuben Sandwich! This delightful dish features crispy chaffles that stand in for traditional bread, making it perfect for anyone following a low-carb or keto lifestyle. Stuffed with savory corned beef, zesty sauerkraut, and topped with a creamy dressing, each bite is bursting with flavor. Quick to prepare in just 20 minutes, this sandwich is not only satisfying but also easy to assemble, making it an ideal choice for busy weeknights or casual family gatherings. Whether you’re meal prepping or looking for a delicious lunch option, this Low Carb Reuben Sandwich is sure to impress!
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: Serves 2
- Category: Lunch
- Method: Waffle Making
- Cuisine: American
Ingredients
- 1 cup Mozzarella Cheese (shredded)
- 2 Eggs
- 1/4 tsp Caraway Seeds
- 6 ounces Shaved Corned Beef Deli Meat
- 2/3 cup Sauerkraut (drained well)
- 2 slices Swiss Cheese
- 1/4 cup Mayonnaise
- 1 tbsp Sugar-free Ketchup
- 1 tsp Horseradish
- 1/4 tsp Hot Sauce
Instructions
- Preheat your waffle maker.
- In a bowl, mix mozzarella cheese, caraway seeds, and eggs until well combined.
- Pour about 1/4 of the batter into the preheated waffle maker and cook until golden brown (about 3-5 minutes). Repeat until you have four chaffles.
- For the dressing, whisk together mayonnaise, sugar-free ketchup, horseradish, hot sauce, and Worcestershire sauce.
- Assemble your sandwich by layering one chaffle with corned beef, sauerkraut, Swiss cheese, and dressing before topping with another chaffle.
Nutrition
- Serving Size: 1 sandwich
- Calories: 450
- Sugar: 2g
- Sodium: 1200mg
- Fat: 30g
- Saturated Fat: 15g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 2g
- Protein: 36g
- Cholesterol: 210mg



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